Vitamin B12 is not synthesized by humans, and the only sources of this nutrient are foods of animal origin.
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Vitamin B12 deficiency is recognized as an important health problem.
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The study analyzed cross-sectional data from 6910 Colombian children between the ages of 5 and 12 y.
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Compared with data from other Latin American countries, Colombian children have a lower prevalence vitamin B12 deficiency.
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